Flow price: --
8377c95461c4481fd4195b1c2bcbf47dfcde5f32ca3b408f17f099d2c9f69160

Transaction

Hash: 8377c95461c4481fd4195b1c2bcbf47dfcde5f32ca3b408f17f099d2c9f69160
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8377c95461c4481fd4195b1c2bcbf47dfcde5f32ca3b408f17f099d2c9f69160:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8377c95461c4481fd4195b1c2bcbf47dfcde5f32ca3b408f17f099d2c9f69160
Status:
ERROR
Block height:
40045551
Block id:
3b152316a66da21d2d445820f199e085f392efb9a76055422f8dce41883e382b
Timestamp:
Monday 31 October 2022 at 11:58:43 UTC
()
Proposer:
Authorizers:
Gas used:
50